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Porsche Master

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Re: can i use a second hand key to apply it on my car

More than likely as keys have to be programmed to start with. You will have to take the vehicle with you to a porsche dealer with the key you want programmed and it the key is reprogrammable they will have the equipment there to do it. But it may cost big dollars.

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Sometimes this can be caused if you are not using a "chip key" if one is required by your car. If you had a copy of your key made and it was not programmed the car would disable itself after three seconds of attempting to drive the car without the proper key (antitheft feature). If that's the case a properly programmed key will automatically work and no reset is normally required.
In an extremely rare case a programmed chip key can fail and you will get the same symptoms.

looks like the immobilizer has been activated or the ignition key you are using either is wrong or lost the program and can not communicate with the ignition switch by not giving signal to start. Better to apply to an expert to help you.

When you made the key did "you" make it? Because the key is a transponder key, with a chip in it. You can't just go make a key and have it work. The light you are seeing is telling you tey key is not being recognized either because it is just a "cut key" or because you need to program it still.

To program a new key follow these directions. Please note you need two programmed keys to do this. If you do not have two programmed keys then the dealer must program it for you. Not my choice, it's the way it is.

Take original key one and stick it in the ignition and turn it to on for 7 seconds.

Do the same with the second original key as well.

Now take your new key and stick it in the ignition and turn to on and in 10 seconds you will here a chime and after another 5 seconds turn the key off.

IMPORTANT NOTE: You must have the security anti-theft code for the radio from the car manufacturer, or from an Audi dealer!The sequence of programming is: 1. Push simultaneous "SCAN" and "RDS" keys until on the screen will appear "1000" displayed. 2. Release keys. No more push on "SCAN" and "RDS" keys because otherwise number "1000" will be considered as first safe code attempt. 3. By the #1 key you will set up the first safe code digit. 4. By the #2 key you will set up the second safe code digit. 5. By the #3 key you will set up the third safe code digit. 6. By the #4 key you will set up the four-th safe code digit. 7. Then push again simultaneous "SCAN" and "RDS" keys for confirm this safe code. On the screen will be displayed "SAFE" notice. Release keys! For few seconds a radio frequence will be displayed. The radio is now ready for use!

SynchronizationWhenKey buttons operated repeatedly while vehicle out of range and system becomes inoperative.HowPolo: Press key unlock button for approximately 1 second. Golf/Bora: Press key lock or unlock button for approximately 1 second. Manually lock or unlock vehicle. System should now lock or unlock vehicle. If not, carry out programming procedure.ProgrammingWhenKey added or replaced. System malfunction.How - PoloKeys can only be programmed using diagnostic equipment.NOTE: A maximum of 4 keys can be programmed.How - Golf/Bora98MYKeys can only be programmed using diagnostic equipment.NOTE: A maximum of 4 keys can be programmed.How - Golf/Bora 99MY

i think (but dont hold me to it!) that the volvo keys have achip that only your car will open with so you might need a new key m8 a volvo dealership will program a new key but a an second hand one cant be re-programed to your car, sorry!!

1.Turn ignition from OFF to RUN 8 times within 10 seconds, with the 8th time ending in RUN. Door locks will cycle to confirm programming mode.2. Within 20 seconds press any button on first keyless remote. Door locks will cycle to confirm programming.3. Within 20 seconds, press any button on second keyless remote. Door locks will cycle again to confirm programming.4. Turn ignition to OFF. Locks will again cycle to indicate end of programming mode.

NOTESecondary air system is activated by ECM and blows air into exhaust pipeupstream of catalytic converter for 100 seconds during a cold start, 41-91°F (5-33°C). Engine must be cold to perform following test procedure.